Finding the Fourth Proportional to 6,132.22, 8,457.90 and 3,892.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,132.22 : 8,457.90 = 3,892.15 : x
2. Step 2: Convert to fraction form
   6,132.22/8,457.90 = 3,892.15/x
3. Step 3: Cross multiply
   6,132.22x = 8,457.90 × 3,892.15
4. Step 4: Simplify right side
   6,132.22x = 32,919,415.49
5. Step 5: Solve for x
   x = 32,919,415.49/6,132.22
6. Step 6: Final answer
   x = 5,368.27